/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

syntax = "proto2";

package android.app;

option java_outer_classname = "AppProtoEnums";
option java_multiple_files = true;

// ActivityManagerInternal.java's APP_TRANSITION reasons.
enum AppTransitionReasonEnum {
    APP_TRANSITION_REASON_UNKNOWN = 0;
    // The transition was started because we drew the splash screen.
    APP_TRANSITION_SPLASH_SCREEN = 1;
    // The transition was started because we all app windows were drawn.
    APP_TRANSITION_WINDOWS_DRAWN = 2;
    // The transition was started because of a timeout.
    APP_TRANSITION_TIMEOUT = 3;
    // The transition was started because of a we drew a task snapshot.
    APP_TRANSITION_SNAPSHOT = 4;
}

// ActivityManager.java PROCESS_STATEs
enum ProcessStateEnum {
    // Unlike the ActivityManager PROCESS_STATE values, the ordering and numerical values
    // here are completely fixed and arbitrary. Order is irrelevant.
    // No attempt need be made to keep them in sync.
    // The values here must not be modified. Any new process states can be appended to the end.

    // Process state that is unknown to this proto file (i.e. is not mapped
    // by ActivityManager.processStateAmToProto()). Can only happen if there's a bug in the mapping.
    PROCESS_STATE_UNKNOWN_TO_PROTO = 998;
    // Not a real process state.
    PROCESS_STATE_UNKNOWN = 999;
    // Process is a persistent system process.
    PROCESS_STATE_PERSISTENT = 1000;
    // Process is a persistent system process and is doing UI.
    PROCESS_STATE_PERSISTENT_UI = 1001;
    // Process is hosting the current top activities. Note that this covers
    // all activities that are visible to the user.
    PROCESS_STATE_TOP = 1002;
    // Process is hosting a foreground service.
    PROCESS_STATE_FOREGROUND_SERVICE = 1003;
    // Process is hosting a foreground service due to a system binding.
    PROCESS_STATE_BOUND_FOREGROUND_SERVICE = 1004;
    // Process is important to the user, and something they are aware of.
    PROCESS_STATE_IMPORTANT_FOREGROUND = 1005;
    // Process is important to the user, but not something they are aware of.
    PROCESS_STATE_IMPORTANT_BACKGROUND = 1006;
    // Process is in the background transient so we will try to keep running.
    PROCESS_STATE_TRANSIENT_BACKGROUND = 1007;
    // Process is in the background running a backup/restore operation.
    PROCESS_STATE_BACKUP = 1008;
    // Process is in the background running a service. Unlike oom_adj, this
    // level is used for both the normal running in background state and the
    // executing operations state.
    PROCESS_STATE_SERVICE = 1009;
    // Process is in the background running a receiver. Note that from the
    // perspective of oom_adj, receivers run at a higher foreground level, but
    // for our prioritization here that is not necessary and putting them
    // below services means many fewer changes in some process states as they
    // receive broadcasts.
    PROCESS_STATE_RECEIVER = 1010;
    // Same as PROCESS_STATE_TOP but while device is sleeping.
    PROCESS_STATE_TOP_SLEEPING = 1011;
    // Process is in the background, but it can't restore its state so we want
    // to try to avoid killing it.
    PROCESS_STATE_HEAVY_WEIGHT = 1012;
    // Process is in the background but hosts the home activity.
    PROCESS_STATE_HOME = 1013;
    // Process is in the background but hosts the last shown activity.
    PROCESS_STATE_LAST_ACTIVITY = 1014;
    // Process is being cached for later use and contains activities.
    PROCESS_STATE_CACHED_ACTIVITY = 1015;
    // Process is being cached for later use and is a client of another cached
    // process that contains activities.
    PROCESS_STATE_CACHED_ACTIVITY_CLIENT = 1016;
    // Process is being cached for later use and has an activity that corresponds
    // to an existing recent task.
    PROCESS_STATE_CACHED_RECENT = 1017;
    // Process is being cached for later use and is empty.
    PROCESS_STATE_CACHED_EMPTY = 1018;
    // Process does not exist.
    PROCESS_STATE_NONEXISTENT = 1019;
}